Java MediaUtils类代码示例

import com.facebook.common.media.MediaUtils; //导入依赖的package包/类
@Before
public void setUp() {
  MockitoAnnotations.initMocks(this);
  PowerMockito.mockStatic(UriUtil.class, MediaUtils.class);

  ProducerFactory producerFactory = mock(ProducerFactory.class, RETURNS_MOCKS);

  mProducerSequenceFactory = new ProducerSequenceFactory(
      RuntimeEnvironment.application.getContentResolver(),
      producerFactory,
      null,
      true,
      false,
      null,
      false,
      false,
      false);

  when(mImageRequest.getLowestPermittedRequestLevel())
      .thenReturn(ImageRequest.RequestLevel.FULL_FETCH);
  mUri = Uri.parse("http://dummy");
  when(mImageRequest.getSourceUri()).thenReturn(mUri);
  when(MediaUtils.extractMime(mUri.getPath())).thenReturn(mDummyMime);
  when(MediaUtils.isVideo(mDummyMime)).thenReturn(false);
}
 

import com.facebook.common.media.MediaUtils; //导入依赖的package包/类
@Override
public void onRun() throws Throwable {
  Log.i(TAG, "RUNNING UploadJob for Item["+itemId+"] Uri["+uri.toString()+"]");

  if(MediaUtils.isPhoto(UriUtils.extractMimeType(weakReference.get(), uri))) {
    DataSource<CloseableReference<CloseableImage>> dataSource = Fresco.getImagePipeline().fetchDecodedImage(ImageRequest.fromUri(uri), weakReference.get());
    Throwable failureCause = dataSource.getFailureCause();
    if (failureCause != null) {
      throw failureCause;
    }

    CloseableReference<CloseableImage> result = dataSource.getResult();
    if (result != null) {
      CloseableImage closeableImage = result.get();
      if (closeableImage instanceof CloseableBitmap) {
        Bitmap bitmap = ((CloseableBitmap) closeableImage).getUnderlyingBitmap();
        uploadFile(createImageTempFile(bitmap));
      }
    }
  }else{
    uploadFile(new File(uri.getPath()));
  }
}
 

import com.facebook.common.media.MediaUtils; //导入依赖的package包/类
/**
 * This is a utility method which returns the type of Uri
 * @param uri The Uri to test
 * @return The type of the given Uri if available or SOURCE_TYPE_UNKNOWN if not
 */
private static @SourceUriType int getSourceUriType(final Uri uri) {
  if (uri == null) {
    return SOURCE_TYPE_UNKNOWN;
  }
  if (UriUtil.isNetworkUri(uri)) {
    return SOURCE_TYPE_NETWORK;
  } else if (UriUtil.isLocalFileUri(uri)) {
    if (MediaUtils.isVideo(MediaUtils.extractMime(uri.getPath()))) {
      return SOURCE_TYPE_LOCAL_VIDEO_FILE;
    } else {
      return SOURCE_TYPE_LOCAL_IMAGE_FILE;
    }
  } else if (UriUtil.isLocalContentUri(uri)) {
    return SOURCE_TYPE_LOCAL_CONTENT;
  } else if (UriUtil.isLocalAssetUri(uri)) {
    return SOURCE_TYPE_LOCAL_ASSET;
  } else if (UriUtil.isLocalResourceUri(uri)) {
    return SOURCE_TYPE_LOCAL_RESOURCE;
  } else if (UriUtil.isDataUri(uri)) {
    return SOURCE_TYPE_DATA;
  } else if (UriUtil.isQualifiedResourceUri(uri))  {
    return SOURCE_TYPE_QUALIFIED_RESOURCE;
  } else {
    return SOURCE_TYPE_UNKNOWN;
  }
}
 

import com.facebook.common.media.MediaUtils; //导入依赖的package包/类
private Producer<CloseableReference<CloseableImage>> getBasicDecodedImageSequence(
    ImageRequest imageRequest) {
  Preconditions.checkNotNull(imageRequest);

  Uri uri = imageRequest.getSourceUri();
  Preconditions.checkNotNull(uri, "Uri is null.");

  switch (imageRequest.getSourceUriType()) {
    case SOURCE_TYPE_NETWORK:
      return getNetworkFetchSequence();
    case SOURCE_TYPE_LOCAL_VIDEO_FILE:
      return getLocalVideoFileFetchSequence();
    case SOURCE_TYPE_LOCAL_IMAGE_FILE:
      return getLocalImageFileFetchSequence();
    case SOURCE_TYPE_LOCAL_CONTENT:
      if (MediaUtils.isVideo(mContentResolver.getType(uri))) {
        return getLocalVideoFileFetchSequence();
      }
      return getLocalContentUriFetchSequence();
    case SOURCE_TYPE_LOCAL_ASSET:
      return getLocalAssetFetchSequence();
    case SOURCE_TYPE_LOCAL_RESOURCE:
      return getLocalResourceFetchSequence();
    case SOURCE_TYPE_QUALIFIED_RESOURCE:
      return getQualifiedResourceFetchSequence();
    case SOURCE_TYPE_DATA:
      return getDataFetchSequence();
    default:
      throw new IllegalArgumentException(
          "Unsupported uri scheme! Uri is: " + getShortenedUriString(uri));
  }
}
 

import com.facebook.common.media.MediaUtils; //导入依赖的package包/类
public static String extractMimeType(Context context, Uri uri){
  File f = new File(uri.getPath());
  if(f.isFile()){
    return MediaUtils.extractMime(f.getPath());
  }else{
    return context.getContentResolver().getType(uri);
  }
}
 

import com.facebook.common.media.MediaUtils; //导入依赖的package包/类
public static boolean isImage(Context c, Uri u){
  return MediaUtils.isPhoto(extractMimeType(c, u));
}